The HMS Oxley became the first Allied submarine lost in World War II, sunk unexpectedly while recharging batteries off the coast of Norway. Though part of the Royal Navy’s 5th Submarine Flotilla and ...

Vessel has submerged displacement of 11,000 tonnes, maximum speed of 30 knots and can operate at a depth of 400 metres, ...

It was the first armed air escort exercise employing helicopters, the U.S. Navy Submarine Group 9, which exercises administrative control authority for assigned submarine commands and units in the ...

The People’s Liberation Army has revealed details of its Type 094 nuclear-powered ballistic missile submarine for the first time, during the navy’s open day. The sea-based nuclear deterrent is ...